291232017

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{22901}}^1$

素因数の和:23070

約数の個数: 20

約数和(自身を含む): 437840436

約数和(自身を除く): 146608419

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 22901, 68703, 206109, 618327, 1854981, 3595457, 10786371, 32359113, 97077339, 291232017]

約数ペア:

[(1, 291232017), (3, 97077339), (9, 32359113), (27, 10786371), (81, 3595457), (157, 1854981), (471, 618327), (1413, 206109), (4239, 68703), (12717, 22901)]